Unlock Huawei E5172S 927 STC router - Free
Important! It is better to use a LAN cable to connect to the router not wi-fi

1. Download the firmware named: E5172S-920_Anti_STC_927_Update from the link below. The firmware unlocks the router by downgrading it’s firmware to the firmware for E5172s 920. E5172S-920_Anti_STC_927_Update
2. Access router manager by entering 192.168.1.1 (also written on the bottom of the router) into your web browser.
3. Enter the user name and password for the router ( default user: admin password: admin)
4. From the HOME page go to UPDATE.
5. Click on browse to navigate to the place where you downloaded the E5172S-920_Anti_STC_927_Update file too and click on open to select it.
6. Press update and wait for it to finish. When it has finished click on login to once again login to the router manager.
7. Download the update firmware from the following link or any other firmware you want. Different firmware give access to different features available on the router that STC block, such as, external antenna, voice calls, different frequencies etc. The linked firmware unlocks most of the stuff. https://mega.co.nz/#!sQxFWR4I!nwuYOO...VODek_y2vM0Fdc

8. Search the folder until you locate file named: MPWUDPUPDATE_V200R001C115SP100.BIN
9. Once again, login to the router manger and update the firmware following the previous steps (4 – 6).
10. When it has completed updating, login again. That’s it! Your router is now unlocked
11. If you want to update the firmware you have to first update with the file named: E5172s-927_AntiOM100.BIN then update with your desired firmware.